Bullet2012
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- Berks
I just use a Henry style with a bag attached to my sanders, the bag last hours before it gets full. But I always use a good quality mask and filters.You would be best asking the suppliers about the 3m discs.
It is worthwhile buying good quality discs, they will outlast cheap brands many times over. There are also the Abranet type discs that get rave reviews everywhere but they are expensive!
You will also need some dust extraction to use with your sander, otherwise the sandpaper will clog up before it wears out. Even something as basic as a Henry hoover combined with a home made cyclone will work quite well.
@Parm will explain about masks and filters and his advise is well worth listening to.